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Finding the Fourth Proportional to 89,898.71, 134,915.49 and 33,794.06

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Solution

The fourth proportional to 89,898.71, 134,915.49 and 33,794.06 is: 50,716.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,898.71 : 134,915.49 = 33,794.06 : x
  2. Step 2: Convert to fraction form
    89,898.71/134,915.49 = 33,794.06/x
  3. Step 3: Cross multiply
    89,898.71x = 134,915.49 × 33,794.06
  4. Step 4: Simplify right side
    89,898.71x = 4,559,341,489.41
  5. Step 5: Solve for x
    x = 4,559,341,489.41/89,898.71
  6. Step 6: Final answer
    x = 50,716.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.